.switch {
  position: relative;
}
.switch label {
  width: 100%;
  height: 100%;
  position: relative;
  display: block;
}

.switch input {
  top: 0; 
  right: 0; 
  bottom: 0; 
  left: 0;
  opacity: 0;
  z-index: 100;
  position: absolute;
  width: 100%;
  height: 100%;
  cursor: pointer;
}
.switch.demo3 {
  width: 4em;
  height: 1.5em;
}

.switch.demo3 label {
  display: block;
  width: 100%;
  height: 100%;
  background: #a5a39d;
  border-radius: 5px;
}

.switch.demo3 label:after {
  content: "";
  position: absolute;
  z-index: -1;
  top: -8px; right: -8px; bottom: -8px; left: -8px;
}

.switch.demo3 label:before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -18px; right: -18px; bottom: -18px; left: -18px;
}

.switch.demo3 label i {
  display: block;
  text-align: center;
  height: 80%;
  width: 45%;
  background: silver;
  position: absolute;
  z-index: 2;
  right: 50%;
  top: 10%;
  background-color: white;
  border-radius: 3px;
}

.switch.demo3 label i:after {
  content: "";
  position: absolute;
  left: 15%;
  top: 25%;
  width: 70%;
  height: 50%;
}
.switch.demo3 label i:before {
  content: "女";
  text-transform: uppercase;
  font-style: normal;
  font-weight: bold;
  color: white;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.75em;
  position: absolute;
  top: 50%;
  margin-top: -12px;
  right: -70%;
}

.switch.demo3 input ~ label {
  background: #a52f2c;
}

.switch.demo3 input:checked ~ label i {
  right: 5%;
}

.switch.demo3 input:checked ~ label i:before {
  content: "男";
  right: 130%;
}
.switch.demo3 input:checked ~ label i:after{ content: "";}

.mui-switch {
  width: 52px;
  height: 31px;
  position: relative;
  border: 1px solid #dfdfdf;
  background-color: #fdfdfd;
  box-shadow: #dfdfdf 0 0 0 0 inset;
  border-radius: 20px;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
  background-clip: content-box;
  display: inline-block;
  -webkit-appearance: none;
  user-select: none;
  outline: none; }
  .mui-switch:before {
    content: '';
    width: 29px;
    height: 29px;
    position: absolute;
    top: 0px;
    left: 0;
    border-radius: 20px;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
    background-color: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4); }
  .mui-switch:checked {
    border-color: #64bd63;
    box-shadow: #64bd63 0 0 0 16px inset;
    background-color: #64bd63; }
    .mui-switch:checked:before {
      left: 21px; }
  .mui-switch.mui-switch-animbg {
    transition: background-color ease 0.4s; }
    .mui-switch.mui-switch-animbg:before {
      transition: left 0.3s; }
    .mui-switch.mui-switch-animbg:checked {
      box-shadow: #dfdfdf 0 0 0 0 inset;
      background-color: #64bd63;
      transition: border-color 0.4s, background-color ease 0.4s; }
      .mui-switch.mui-switch-animbg:checked:before {
        transition: left 0.3s; }
  .mui-switch.mui-switch-anim {
    transition: border cubic-bezier(0, 0, 0, 1) 0.4s, box-shadow cubic-bezier(0, 0, 0, 1) 0.4s; }
    .mui-switch.mui-switch-anim:before {
      transition: left 0.3s; }
   .mui-switch.mui-switch-anim:checked {
      box-shadow: #64bd63 0 0 0 16px inset;
      background-color: #64bd63;
      transition: border ease 0.4s, box-shadow ease 0.4s, background-color ease 1.2s; }
      .mui-switch.mui-switch-anim:checked:before {
        transition: left 0.3s; }